Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides

S. A. Nazarov; L. Chesnel

doi:10.1134/S1028335821010043

Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides

S. A. Nazarov
, L. Chesnel

Saint Petersburg State University
Université Paris-Saclay

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.

Original language	English
Pages (from-to)	45-50
Number of pages	6
Journal	Doklady Physics
Volume	66
Issue number	2
DOIs	https://doi.org/10.1134/S1028335821010043
Publication status	Published - 1 Feb 2021
Externally published	Yes

Keywords

acoustic waveguide
almost complete wave transmission
asymptotic behavior of the scattering coefficients
thin channel

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10.1134/S1028335821010043

Cite this

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title = "Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides",

abstract = "Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.",

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N2 - Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.

AB - Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.

KW - acoustic waveguide

KW - almost complete wave transmission

KW - asymptotic behavior of the scattering coefficients

KW - thin channel

U2 - 10.1134/S1028335821010043

DO - 10.1134/S1028335821010043

M3 - Article

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EP - 50

JO - Doklady Physics

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Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides

Abstract

Keywords

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